git.oblomov.eu Git - wine/blob - dlls/urlmon/urlmon_main.c

   1 /*
   2  * UrlMon
   3  *
   4  * Copyright (c) 2000 Patrik Stridvall
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #include "urlmon_main.h"
  24
  25 #include "winreg.h"
  26
  27 #define NO_SHLWAPI_REG
  28 #include "shlwapi.h"
  29 #include "wine/debug.h"
  30
  31 #include "urlmon.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(urlmon);
  34
  35 LONG URLMON_refCount = 0;
  36
  37 HINSTANCE URLMON_hInstance = 0;
  38 static HMODULE hCabinet = NULL;
  39 static DWORD urlmon_tls = TLS_OUT_OF_INDEXES;
  40
  41 static void init_session(BOOL);
  42
  43 static struct list tls_list = LIST_INIT(tls_list);
  44
  45 static CRITICAL_SECTION tls_cs;
  46 static CRITICAL_SECTION_DEBUG tls_cs_dbg =
  47 {
  48     0, 0, &tls_cs,
  49     { &tls_cs_dbg.ProcessLocksList, &tls_cs_dbg.ProcessLocksList },
  50       0, 0, { (DWORD_PTR)(__FILE__ ": tls") }
  51 };
  52
  53 static CRITICAL_SECTION tls_cs = { &tls_cs_dbg, -1, 0, 0, 0, 0 };
  54
  55 tls_data_t *get_tls_data(void)
  56 {
  57     tls_data_t *data;
  58
  59     if(urlmon_tls == TLS_OUT_OF_INDEXES) {
  60         DWORD tls = TlsAlloc();
  61         if(tls == TLS_OUT_OF_INDEXES)
  62             return NULL;
  63
  64         tls = InterlockedCompareExchange((LONG*)&urlmon_tls, tls, TLS_OUT_OF_INDEXES);
  65         if(tls != urlmon_tls)
  66             TlsFree(tls);
  67     }
  68
  69     data = TlsGetValue(urlmon_tls);
  70     if(!data) {
  71         data = heap_alloc_zero(sizeof(tls_data_t));
  72         if(!data)
  73             return NULL;
  74
  75         EnterCriticalSection(&tls_cs);
  76         list_add_tail(&tls_list, &data->entry);
  77         LeaveCriticalSection(&tls_cs);
  78
  79         TlsSetValue(urlmon_tls, data);
  80     }
  81
  82     return data;
  83 }
  84
  85 static void free_tls_list(void)
  86 {
  87     tls_data_t *data;
  88
  89     if(urlmon_tls == TLS_OUT_OF_INDEXES)
  90         return;
  91
  92     while(!list_empty(&tls_list)) {
  93         data = LIST_ENTRY(list_head(&tls_list), tls_data_t, entry);
  94         list_remove(&data->entry);
  95         heap_free(data);
  96     }
  97
  98     TlsFree(urlmon_tls);
  99 }
 100
 101 static void detach_thread(void)
 102 {
 103     tls_data_t *data;
 104
 105     if(urlmon_tls == TLS_OUT_OF_INDEXES)
 106         return;
 107
 108     data = TlsGetValue(urlmon_tls);
 109     if(!data)
 110         return;
 111
 112     EnterCriticalSection(&tls_cs);
 113     list_remove(&data->entry);
 114     LeaveCriticalSection(&tls_cs);
 115
 116     if(data->notif_hwnd) {
 117         WARN("notif_hwnd not destroyed\n");
 118         DestroyWindow(data->notif_hwnd);
 119     }
 120
 121     heap_free(data);
 122 }
 123
 124 /***********************************************************************
 125  *              DllMain (URLMON.init)
 126  */
 127 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
 128 {
 129     TRACE("%p 0x%x %p\n", hinstDLL, fdwReason, fImpLoad);
 130
 131     switch(fdwReason) {
 132     case DLL_PROCESS_ATTACH:
 133         URLMON_hInstance = hinstDLL;
 134         init_session(TRUE);
 135         break;
 136
 137     case DLL_PROCESS_DETACH:
 138         if (hCabinet)
 139             FreeLibrary(hCabinet);
 140         hCabinet = NULL;
 141         init_session(FALSE);
 142         free_tls_list();
 143         URLMON_hInstance = 0;
 144         break;
 145
 146     case DLL_THREAD_DETACH:
 147         detach_thread();
 148         break;
 149     }
 150     return TRUE;
 151 }
 152
 153
 154 /***********************************************************************
 155  *              DllInstall (URLMON.@)
 156  */
 157 HRESULT WINAPI DllInstall(BOOL bInstall, LPCWSTR cmdline)
 158 {
 159   FIXME("(%s, %s): stub\n", bInstall?"TRUE":"FALSE",
 160         debugstr_w(cmdline));
 161
 162   return S_OK;
 163 }
 164
 165 /***********************************************************************
 166  *              DllCanUnloadNow (URLMON.@)
 167  */
 168 HRESULT WINAPI DllCanUnloadNow(void)
 169 {
 170     return URLMON_refCount != 0 ? S_FALSE : S_OK;
 171 }
 172
 173
 174
 175 /******************************************************************************
 176  * Urlmon ClassFactory
 177  */
 178 typedef struct {
 179     const IClassFactoryVtbl *lpClassFactoryVtbl;
 180
 181     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
 182 } ClassFactory;
 183
 184 #define CLASSFACTORY(x)  ((IClassFactory*)  &(x)->lpClassFactoryVtbl)
 185
 186 static HRESULT WINAPI CF_QueryInterface(IClassFactory *iface, REFIID riid, LPVOID *ppv)
 187 {
 188     *ppv = NULL;
 189
 190     if(IsEqualGUID(riid, &IID_IUnknown)) {
 191         TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
 192         *ppv = iface;
 193     }else if(IsEqualGUID(riid, &IID_IClassFactory)) {
 194         TRACE("(%p)->(IID_IClassFactory %p)\n", iface, ppv);
 195         *ppv = iface;
 196     }
 197
 198     if(*ppv) {
 199         IUnknown_AddRef((IUnknown*)*ppv);
 200         return S_OK;
 201     }
 202
 203     WARN("(%p)->(%s,%p),not found\n", iface, debugstr_guid(riid), ppv);
 204     return E_NOINTERFACE;
 205 }
 206
 207 static ULONG WINAPI CF_AddRef(IClassFactory *iface)
 208 {
 209     URLMON_LockModule();
 210     return 2;
 211 }
 212
 213 static ULONG WINAPI CF_Release(IClassFactory *iface)
 214 {
 215     URLMON_UnlockModule();
 216     return 1;
 217 }
 218
 219
 220 static HRESULT WINAPI CF_CreateInstance(IClassFactory *iface, IUnknown *pOuter,
 221                                         REFIID riid, LPVOID *ppobj)
 222 {
 223     ClassFactory *This = (ClassFactory*)iface;
 224     HRESULT hres;
 225     LPUNKNOWN punk;
 226
 227     TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 228
 229     *ppobj = NULL;
 230     if(SUCCEEDED(hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk))) {
 231         hres = IUnknown_QueryInterface(punk, riid, ppobj);
 232         IUnknown_Release(punk);
 233     }
 234     return hres;
 235 }
 236
 237 static HRESULT WINAPI CF_LockServer(LPCLASSFACTORY iface,BOOL dolock)
 238 {
 239     TRACE("(%d)\n", dolock);
 240
 241     if (dolock)
 242            URLMON_LockModule();
 243     else
 244            URLMON_UnlockModule();
 245
 246     return S_OK;
 247 }
 248
 249 static const IClassFactoryVtbl ClassFactoryVtbl =
 250 {
 251     CF_QueryInterface,
 252     CF_AddRef,
 253     CF_Release,
 254     CF_CreateInstance,
 255     CF_LockServer
 256 };
 257
 258 static const ClassFactory FileProtocolCF =
 259     { &ClassFactoryVtbl, FileProtocol_Construct};
 260 static const ClassFactory FtpProtocolCF =
 261     { &ClassFactoryVtbl, FtpProtocol_Construct};
 262 static const ClassFactory GopherProtocolCF =
 263     { &ClassFactoryVtbl, GopherProtocol_Construct};
 264 static const ClassFactory HttpProtocolCF =
 265     { &ClassFactoryVtbl, HttpProtocol_Construct};
 266 static const ClassFactory HttpSProtocolCF =
 267     { &ClassFactoryVtbl, HttpSProtocol_Construct};
 268 static const ClassFactory MkProtocolCF =
 269     { &ClassFactoryVtbl, MkProtocol_Construct};
 270 static const ClassFactory SecurityManagerCF =
 271     { &ClassFactoryVtbl, SecManagerImpl_Construct};
 272 static const ClassFactory ZoneManagerCF =
 273     { &ClassFactoryVtbl, ZoneMgrImpl_Construct};
 274 static const ClassFactory StdURLMonikerCF =
 275     { &ClassFactoryVtbl, StdURLMoniker_Construct};
 276 static const ClassFactory MimeFilterCF =
 277     { &ClassFactoryVtbl, MimeFilter_Construct};
 278
 279 struct object_creation_info
 280 {
 281     const CLSID *clsid;
 282     IClassFactory *cf;
 283     LPCWSTR protocol;
 284 };
 285
 286 static const WCHAR wszFile[] = {'f','i','l','e',0};
 287 static const WCHAR wszFtp[]  = {'f','t','p',0};
 288 static const WCHAR wszGopher[]  = {'g','o','p','h','e','r',0};
 289 static const WCHAR wszHttp[] = {'h','t','t','p',0};
 290 static const WCHAR wszHttps[] = {'h','t','t','p','s',0};
 291 static const WCHAR wszMk[]   = {'m','k',0};
 292
 293 static const struct object_creation_info object_creation[] =
 294 {
 295     { &CLSID_FileProtocol,            CLASSFACTORY(&FileProtocolCF),    wszFile },
 296     { &CLSID_FtpProtocol,             CLASSFACTORY(&FtpProtocolCF),     wszFtp  },
 297     { &CLSID_GopherProtocol,          CLASSFACTORY(&GopherProtocolCF),  wszGopher },
 298     { &CLSID_HttpProtocol,            CLASSFACTORY(&HttpProtocolCF),    wszHttp },
 299     { &CLSID_HttpSProtocol,           CLASSFACTORY(&HttpSProtocolCF),   wszHttps },
 300     { &CLSID_MkProtocol,              CLASSFACTORY(&MkProtocolCF),      wszMk },
 301     { &CLSID_InternetSecurityManager, CLASSFACTORY(&SecurityManagerCF), NULL    },
 302     { &CLSID_InternetZoneManager,     CLASSFACTORY(&ZoneManagerCF),     NULL    },
 303     { &CLSID_StdURLMoniker,           CLASSFACTORY(&StdURLMonikerCF),   NULL    },
 304     { &CLSID_DeCompMimeFilter,        CLASSFACTORY(&MimeFilterCF),      NULL    }
 305 };
 306
 307 static void init_session(BOOL init)
 308 {
 309     unsigned int i;
 310
 311     for(i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++) {
 312
 313         if(object_creation[i].protocol)
 314             register_urlmon_namespace(object_creation[i].cf, object_creation[i].clsid,
 315                                       object_creation[i].protocol, init);
 316     }
 317 }
 318
 319 /*******************************************************************************
 320  * DllGetClassObject [URLMON.@]
 321  * Retrieves class object from a DLL object
 322  *
 323  * NOTES
 324  *    Docs say returns STDAPI
 325  *
 326  * PARAMS
 327  *    rclsid [I] CLSID for the class object
 328  *    riid   [I] Reference to identifier of interface for class object
 329  *    ppv    [O] Address of variable to receive interface pointer for riid
 330  *
 331  * RETURNS
 332  *    Success: S_OK
 333  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 334  *             E_UNEXPECTED
 335  */
 336
 337 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 338 {
 339     unsigned int i;
 340
 341     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 342
 343     for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 344     {
 345         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 346             return IClassFactory_QueryInterface(object_creation[i].cf, riid, ppv);
 347     }
 348
 349     FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 350     return CLASS_E_CLASSNOTAVAILABLE;
 351 }
 352
 353
 354 /***********************************************************************
 355  *              DllRegisterServerEx (URLMON.@)
 356  */
 357 HRESULT WINAPI DllRegisterServerEx(void)
 358 {
 359     FIXME("(void): stub\n");
 360
 361     return E_FAIL;
 362 }
 363
 364 /**************************************************************************
 365  *                 UrlMkSetSessionOption (URLMON.@)
 366  */
 367 HRESULT WINAPI UrlMkSetSessionOption(DWORD dwOption, LPVOID pBuffer, DWORD dwBufferLength,
 368                                         DWORD Reserved)
 369 {
 370     FIXME("(%#x, %p, %#x): stub\n", dwOption, pBuffer, dwBufferLength);
 371
 372     return S_OK;
 373 }
 374
 375 static const CHAR Agent[] = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)";
 376
 377 /**************************************************************************
 378  *                 ObtainUserAgentString (URLMON.@)
 379  */
 380 HRESULT WINAPI ObtainUserAgentString(DWORD dwOption, LPSTR pcszUAOut, DWORD *cbSize)
 381 {
 382     FIXME("(%d, %p, %p): stub\n", dwOption, pcszUAOut, cbSize);
 383
 384     if (pcszUAOut == NULL || cbSize == NULL)
 385         return E_INVALIDARG;
 386
 387     if (*cbSize < sizeof(Agent))
 388     {
 389         *cbSize = sizeof(Agent);
 390         return E_OUTOFMEMORY;
 391     }
 392
 393     if (sizeof(Agent) < *cbSize)
 394         *cbSize = sizeof(Agent);
 395     lstrcpynA(pcszUAOut, Agent, *cbSize);
 396
 397     return S_OK;
 398 }
 399
 400 /**************************************************************************
 401  *                 IsValidURL (URLMON.@)
 402  *
 403  * Determines if a specified string is a valid URL.
 404  *
 405  * PARAMS
 406  *  pBC        [I] ignored, must be NULL.
 407  *  szURL      [I] string that represents the URL in question.
 408  *  dwReserved [I] reserved and must be zero.
 409  *
 410  * RETURNS
 411  *  Success: S_OK.
 412  *  Failure: S_FALSE.
 413  *  returns E_INVALIDARG if one or more of the args is invalid.
 414  *
 415  * TODO:
 416  *  test functionality against windows to see what a valid URL is.
 417  */
 418 HRESULT WINAPI IsValidURL(LPBC pBC, LPCWSTR szURL, DWORD dwReserved)
 419 {
 420     FIXME("(%p, %s, %d): stub\n", pBC, debugstr_w(szURL), dwReserved);
 421
 422     if (pBC != NULL || dwReserved != 0)
 423         return E_INVALIDARG;
 424
 425     return S_OK;
 426 }
 427
 428 /**************************************************************************
 429  *                 FaultInIEFeature (URLMON.@)
 430  *
 431  *  Undocumented.  Appears to be used by native shdocvw.dll.
 432  */
 433 HRESULT WINAPI FaultInIEFeature( HWND hwnd, uCLSSPEC * pClassSpec,
 434                                  QUERYCONTEXT *pQuery, DWORD flags )
 435 {
 436     FIXME("%p %p %p %08x\n", hwnd, pClassSpec, pQuery, flags);
 437     return E_NOTIMPL;
 438 }
 439
 440 /**************************************************************************
 441  *                 CoGetClassObjectFromURL (URLMON.@)
 442  */
 443 HRESULT WINAPI CoGetClassObjectFromURL( REFCLSID rclsid, LPCWSTR szCodeURL, DWORD dwFileVersionMS,
 444                                         DWORD dwFileVersionLS, LPCWSTR szContentType,
 445                                         LPBINDCTX pBindCtx, DWORD dwClsContext, LPVOID pvReserved,
 446                                         REFIID riid, LPVOID *ppv )
 447 {
 448     FIXME("(%s %s %d %d %s %p %d %p %s %p) Stub!\n", debugstr_guid(rclsid), debugstr_w(szCodeURL),
 449         dwFileVersionMS, dwFileVersionLS, debugstr_w(szContentType), pBindCtx, dwClsContext, pvReserved,
 450         debugstr_guid(riid), ppv);
 451     return E_NOINTERFACE;
 452 }
 453
 454 /***********************************************************************
 455  *           ReleaseBindInfo (URLMON.@)
 456  *
 457  * Release the resources used by the specified BINDINFO structure.
 458  *
 459  * PARAMS
 460  *  pbindinfo [I] BINDINFO to release.
 461  *
 462  * RETURNS
 463  *  Nothing.
 464  */
 465 void WINAPI ReleaseBindInfo(BINDINFO* pbindinfo)
 466 {
 467     DWORD size;
 468
 469     TRACE("(%p)\n", pbindinfo);
 470
 471     if(!pbindinfo || !(size = pbindinfo->cbSize))
 472         return;
 473
 474     CoTaskMemFree(pbindinfo->szExtraInfo);
 475     ReleaseStgMedium(&pbindinfo->stgmedData);
 476
 477     if(offsetof(BINDINFO, szExtraInfo) < size)
 478         CoTaskMemFree(pbindinfo->szCustomVerb);
 479
 480     if(pbindinfo->pUnk && offsetof(BINDINFO, pUnk) < size)
 481         IUnknown_Release(pbindinfo->pUnk);
 482
 483     memset(pbindinfo, 0, size);
 484     pbindinfo->cbSize = size;
 485 }
 486
 487 /***********************************************************************
 488  *           CopyStgMedium (URLMON.@)
 489  */
 490 HRESULT WINAPI CopyStgMedium(const STGMEDIUM *src, STGMEDIUM *dst)
 491 {
 492     TRACE("(%p %p)\n", src, dst);
 493
 494     if(!src || !dst)
 495         return E_POINTER;
 496
 497     *dst = *src;
 498
 499     switch(dst->tymed) {
 500     case TYMED_NULL:
 501         break;
 502     case TYMED_FILE:
 503         if(src->u.lpszFileName && !src->pUnkForRelease) {
 504             DWORD size = (strlenW(src->u.lpszFileName)+1)*sizeof(WCHAR);
 505             dst->u.lpszFileName = CoTaskMemAlloc(size);
 506             memcpy(dst->u.lpszFileName, src->u.lpszFileName, size);
 507         }
 508         break;
 509     case TYMED_ISTREAM:
 510         if(dst->u.pstm)
 511             IStream_AddRef(dst->u.pstm);
 512         break;
 513     case TYMED_ISTORAGE:
 514         if(dst->u.pstg)
 515             IStorage_AddRef(dst->u.pstg);
 516         break;
 517     default:
 518         FIXME("Unimplemented tymed %d\n", src->tymed);
 519     }
 520
 521     if(dst->pUnkForRelease)
 522         IUnknown_AddRef(dst->pUnkForRelease);
 523
 524     return S_OK;
 525 }
 526
 527 static BOOL text_richtext_filter(const BYTE *b, DWORD size)
 528 {
 529     return size > 5 && !memcmp(b, "{\\rtf", 5);
 530 }
 531
 532 static BOOL text_html_filter(const BYTE *b, DWORD size)
 533 {
 534     DWORD i;
 535
 536     if(size < 5)
 537         return FALSE;
 538
 539     for(i=0; i < size-5; i++) {
 540         if(b[i] == '<'
 541            && (b[i+1] == 'h' || b[i+1] == 'H')
 542            && (b[i+2] == 't' || b[i+2] == 'T')
 543            && (b[i+3] == 'm' || b[i+3] == 'M')
 544            && (b[i+4] == 'l' || b[i+4] == 'L'))
 545             return TRUE;
 546     }
 547
 548     return FALSE;
 549 }
 550
 551 static BOOL audio_basic_filter(const BYTE *b, DWORD size)
 552 {
 553     return size > 4
 554         && b[0] == '.' && b[1] == 's' && b[2] == 'n' && b[3] == 'd';
 555 }
 556
 557 static BOOL audio_wav_filter(const BYTE *b, DWORD size)
 558 {
 559     return size > 12
 560         && b[0] == 'R' && b[1] == 'I' && b[2] == 'F' && b[3] == 'F'
 561         && b[8] == 'W' && b[9] == 'A' && b[10] == 'V' && b[11] == 'E';
 562 }
 563
 564 static BOOL image_gif_filter(const BYTE *b, DWORD size)
 565 {
 566     return size >= 6
 567         && (b[0] == 'G' || b[0] == 'g')
 568         && (b[1] == 'I' || b[1] == 'i')
 569         && (b[2] == 'F' || b[2] == 'f')
 570         &&  b[3] == '8'
 571         && (b[4] == '7' || b[4] == '9')
 572         && (b[5] == 'A' || b[5] == 'a');
 573 }
 574
 575 static BOOL image_pjpeg_filter(const BYTE *b, DWORD size)
 576 {
 577     return size > 2 && b[0] == 0xff && b[1] == 0xd8;
 578 }
 579
 580 static BOOL image_tiff_filter(const BYTE *b, DWORD size)
 581 {
 582     return size > 2 && b[0] == 0x4d && b[1] == 0x4d;
 583 }
 584
 585 static BOOL image_xpng_filter(const BYTE *b, DWORD size)
 586 {
 587     static const BYTE xpng_header[] = {0x89,'P','N','G',0x0d,0x0a,0x1a,0x0a};
 588     return size > sizeof(xpng_header) && !memcmp(b, xpng_header, sizeof(xpng_header));
 589 }
 590
 591 static BOOL image_bmp_filter(const BYTE *b, DWORD size)
 592 {
 593     return size >= 14
 594         && b[0] == 0x42 && b[1] == 0x4d
 595         && *(const DWORD *)(b+6) == 0;
 596 }
 597
 598 static BOOL video_avi_filter(const BYTE *b, DWORD size)
 599 {
 600     return size > 12
 601         && b[0] == 'R' && b[1] == 'I' && b[2] == 'F' && b[3] == 'F'
 602         && b[8] == 'A' && b[9] == 'V' && b[10] == 'I' && b[11] == 0x20;
 603 }
 604
 605 static BOOL video_mpeg_filter(const BYTE *b, DWORD size)
 606 {
 607     return size > 4
 608         && !b[0] && !b[1] && b[2] == 0x01
 609         && (b[3] == 0xb3 || b[3] == 0xba);
 610 }
 611
 612 static BOOL application_postscript_filter(const BYTE *b, DWORD size)
 613 {
 614     return size > 2 && b[0] == '%' && b[1] == '!';
 615 }
 616
 617 static BOOL application_pdf_filter(const BYTE *b, DWORD size)
 618 {
 619     return size > 4 && b[0] == 0x25 && b[1] == 0x50 && b[2] == 0x44 && b[3] == 0x46;
 620 }
 621
 622 static BOOL application_xzip_filter(const BYTE *b, DWORD size)
 623 {
 624     return size > 2 && b[0] == 0x50 && b[1] == 0x4b;
 625 }
 626
 627 static BOOL application_xgzip_filter(const BYTE *b, DWORD size)
 628 {
 629     return size > 2 && b[0] == 0x1f && b[1] == 0x8b;
 630 }
 631
 632 static BOOL application_java_filter(const BYTE *b, DWORD size)
 633 {
 634     return size > 4 && b[0] == 0xca && b[1] == 0xfe && b[2] == 0xba && b[3] == 0xbe;
 635 }
 636
 637 static BOOL application_xmsdownload(const BYTE *b, DWORD size)
 638 {
 639     return size > 2 && b[0] == 'M' && b[1] == 'Z';
 640 }
 641
 642 static BOOL text_plain_filter(const BYTE *b, DWORD size)
 643 {
 644     const BYTE *ptr;
 645
 646     for(ptr = b; ptr < b+size-1; ptr++) {
 647         if(*ptr < 0x20 && *ptr != '\n' && *ptr != '\r' && *ptr != '\t')
 648             return FALSE;
 649     }
 650
 651     return TRUE;
 652 }
 653
 654 static BOOL application_octet_stream_filter(const BYTE *b, DWORD size)
 655 {
 656     return TRUE;
 657 }
 658
 659 /***********************************************************************
 660  *           FindMimeFromData (URLMON.@)
 661  *
 662  * Determines the Multipurpose Internet Mail Extensions (MIME) type from the data provided.
 663  */
 664 HRESULT WINAPI FindMimeFromData(LPBC pBC, LPCWSTR pwzUrl, LPVOID pBuffer,
 665         DWORD cbSize, LPCWSTR pwzMimeProposed, DWORD dwMimeFlags,
 666         LPWSTR* ppwzMimeOut, DWORD dwReserved)
 667 {
 668     TRACE("(%p,%s,%p,%d,%s,0x%x,%p,0x%x)\n", pBC, debugstr_w(pwzUrl), pBuffer, cbSize,
 669             debugstr_w(pwzMimeProposed), dwMimeFlags, ppwzMimeOut, dwReserved);
 670
 671     if(dwMimeFlags)
 672         WARN("dwMimeFlags=%08x\n", dwMimeFlags);
 673     if(dwReserved)
 674         WARN("dwReserved=%d\n", dwReserved);
 675
 676     /* pBC seams to not be used */
 677
 678     if(!ppwzMimeOut || (!pwzUrl && !pBuffer))
 679         return E_INVALIDARG;
 680
 681     if(pwzMimeProposed && (!pBuffer || (pBuffer && !cbSize))) {
 682         DWORD len;
 683
 684         if(!pwzMimeProposed)
 685             return E_FAIL;
 686
 687         len = strlenW(pwzMimeProposed)+1;
 688         *ppwzMimeOut = CoTaskMemAlloc(len*sizeof(WCHAR));
 689         memcpy(*ppwzMimeOut, pwzMimeProposed, len*sizeof(WCHAR));
 690         return S_OK;
 691     }
 692
 693     if(pBuffer) {
 694         const BYTE *buf = pBuffer;
 695         DWORD len;
 696         LPCWSTR ret = NULL;
 697         unsigned int i;
 698
 699         static const WCHAR wszTextHtml[] = {'t','e','x','t','/','h','t','m','l',0};
 700         static const WCHAR wszTextRichtext[] = {'t','e','x','t','/','r','i','c','h','t','e','x','t',0};
 701         static const WCHAR wszAudioBasic[] = {'a','u','d','i','o','/','b','a','s','i','c',0};
 702         static const WCHAR wszAudioWav[] = {'a','u','d','i','o','/','w','a','v',0};
 703         static const WCHAR wszImageGif[] = {'i','m','a','g','e','/','g','i','f',0};
 704         static const WCHAR wszImagePjpeg[] = {'i','m','a','g','e','/','p','j','p','e','g',0};
 705         static const WCHAR wszImageTiff[] = {'i','m','a','g','e','/','t','i','f','f',0};
 706         static const WCHAR wszImageXPng[] = {'i','m','a','g','e','/','x','-','p','n','g',0};
 707         static const WCHAR wszImageBmp[] = {'i','m','a','g','e','/','b','m','p',0};
 708         static const WCHAR wszVideoAvi[] = {'v','i','d','e','o','/','a','v','i',0};
 709         static const WCHAR wszVideoMpeg[] = {'v','i','d','e','o','/','m','p','e','g',0};
 710         static const WCHAR wszAppPostscript[] =
 711             {'a','p','p','l','i','c','a','t','i','o','n','/','p','o','s','t','s','c','r','i','p','t',0};
 712         static const WCHAR wszAppPdf[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 713             'p','d','f',0};
 714         static const WCHAR wszAppXZip[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 715             'x','-','z','i','p','-','c','o','m','p','r','e','s','s','e','d',0};
 716         static const WCHAR wszAppXGzip[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 717             'x','-','g','z','i','p','-','c','o','m','p','r','e','s','s','e','d',0};
 718         static const WCHAR wszAppJava[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 719             'j','a','v','a',0};
 720         static const WCHAR wszAppXMSDownload[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 721             'x','-','m','s','d','o','w','n','l','o','a','d',0};
 722         static const WCHAR wszTextPlain[] = {'t','e','x','t','/','p','l','a','i','n','\0'};
 723         static const WCHAR wszAppOctetStream[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
 724             'o','c','t','e','t','-','s','t','r','e','a','m','\0'};
 725
 726         static const struct {
 727             LPCWSTR mime;
 728             BOOL (*filter)(const BYTE *,DWORD);
 729         } mime_filters[] = {
 730             {wszTextHtml,       text_html_filter},
 731             {wszTextRichtext,   text_richtext_filter},
 732          /* {wszAudioXAiff,     audio_xaiff_filter}, */
 733             {wszAudioBasic,     audio_basic_filter},
 734             {wszAudioWav,       audio_wav_filter},
 735             {wszImageGif,       image_gif_filter},
 736             {wszImagePjpeg,     image_pjpeg_filter},
 737             {wszImageTiff,      image_tiff_filter},
 738             {wszImageXPng,      image_xpng_filter},
 739          /* {wszImageXBitmap,   image_xbitmap_filter}, */
 740             {wszImageBmp,       image_bmp_filter},
 741          /* {wszImageXJg,       image_xjg_filter}, */
 742          /* {wszImageXEmf,      image_xemf_filter}, */
 743          /* {wszImageXWmf,      image_xwmf_filter}, */
 744             {wszVideoAvi,       video_avi_filter},
 745             {wszVideoMpeg,      video_mpeg_filter},
 746             {wszAppPostscript,  application_postscript_filter},
 747          /* {wszAppBase64,      application_base64_filter}, */
 748          /* {wszAppMacbinhex40, application_macbinhex40_filter}, */
 749             {wszAppPdf,         application_pdf_filter},
 750          /* {wszAppXCompressed, application_xcompressed_filter}, */
 751             {wszAppXZip,        application_xzip_filter},
 752             {wszAppXGzip,       application_xgzip_filter},
 753             {wszAppJava,        application_java_filter},
 754             {wszAppXMSDownload, application_xmsdownload},
 755             {wszTextPlain,      text_plain_filter},
 756             {wszAppOctetStream, application_octet_stream_filter}
 757         };
 758
 759         if(!cbSize)
 760             return E_FAIL;
 761
 762         if(pwzMimeProposed && strcmpW(pwzMimeProposed, wszAppOctetStream)) {
 763             for(i=0; i < sizeof(mime_filters)/sizeof(*mime_filters); i++) {
 764                 if(!strcmpW(pwzMimeProposed, mime_filters[i].mime))
 765                     break;
 766             }
 767
 768             if(i == sizeof(mime_filters)/sizeof(*mime_filters)
 769                     || mime_filters[i].filter(buf, cbSize)) {
 770                 len = strlenW(pwzMimeProposed)+1;
 771                 *ppwzMimeOut = CoTaskMemAlloc(len*sizeof(WCHAR));
 772                 memcpy(*ppwzMimeOut, pwzMimeProposed, len*sizeof(WCHAR));
 773                 return S_OK;
 774             }
 775         }
 776
 777         i=0;
 778         while(!ret) {
 779             if(mime_filters[i].filter(buf, cbSize))
 780                 ret = mime_filters[i].mime;
 781             i++;
 782         }
 783
 784         TRACE("found %s for data\n"
 785               "%02x %02x %02x %02x  %02x %02x %02x %02x  %02x %02x %02x %02x  %02x %02x %02x %02x\n",
 786               debugstr_w(ret), buf[0],buf[1],buf[2],buf[3], buf[4],buf[5],buf[6],buf[7],
 787               buf[8],buf[9],buf[10],buf[11], buf[12],buf[13],buf[14],buf[15]);
 788
 789         if(pwzMimeProposed) {
 790             if(i == sizeof(mime_filters)/sizeof(*mime_filters))
 791                 ret = pwzMimeProposed;
 792
 793             /* text/html is a special case */
 794             if(!strcmpW(pwzMimeProposed, wszTextHtml) && !strcmpW(ret, wszTextPlain))
 795                 ret = wszTextHtml;
 796         }
 797
 798         len = strlenW(ret)+1;
 799         *ppwzMimeOut = CoTaskMemAlloc(len*sizeof(WCHAR));
 800         memcpy(*ppwzMimeOut, ret, len*sizeof(WCHAR));
 801         return S_OK;
 802     }
 803
 804     if(pwzUrl) {
 805         HKEY hkey;
 806         DWORD res, size;
 807         LPCWSTR ptr;
 808         WCHAR mime[64];
 809
 810         static const WCHAR wszContentType[] =
 811                 {'C','o','n','t','e','n','t',' ','T','y','p','e','\0'};
 812
 813         ptr = strrchrW(pwzUrl, '.');
 814         if(!ptr)
 815             return E_FAIL;
 816
 817         res = RegOpenKeyW(HKEY_CLASSES_ROOT, ptr, &hkey);
 818         if(res != ERROR_SUCCESS)
 819             return HRESULT_FROM_WIN32(res);
 820
 821         size = sizeof(mime);
 822         res = RegQueryValueExW(hkey, wszContentType, NULL, NULL, (LPBYTE)mime, &size);
 823         RegCloseKey(hkey);
 824         if(res != ERROR_SUCCESS)
 825             return HRESULT_FROM_WIN32(res);
 826
 827         *ppwzMimeOut = CoTaskMemAlloc(size);
 828         memcpy(*ppwzMimeOut, mime, size);
 829         return S_OK;
 830     }
 831
 832     return E_FAIL;
 833 }
 834
 835 /***********************************************************************
 836  *           GetClassFileOrMime (URLMON.@)
 837  *
 838  * Determines the class ID from the bind context, file name or MIME type.
 839  */
 840 HRESULT WINAPI GetClassFileOrMime(LPBC pBC, LPCWSTR pszFilename,
 841         LPVOID pBuffer, DWORD cbBuffer, LPCWSTR pszMimeType, DWORD dwReserved,
 842         CLSID *pclsid)
 843 {
 844     FIXME("(%p, %s, %p, %d, %p, 0x%08x, %p): stub\n", pBC,
 845         debugstr_w(pszFilename), pBuffer, cbBuffer, debugstr_w(pszMimeType),
 846         dwReserved, pclsid);
 847     return E_NOTIMPL;
 848 }
 849
 850 /***********************************************************************
 851  * Extract (URLMON.@)
 852  */
 853 HRESULT WINAPI Extract(void *dest, LPCSTR szCabName)
 854 {
 855     HRESULT (WINAPI *pExtract)(void *, LPCSTR);
 856
 857     if (!hCabinet)
 858         hCabinet = LoadLibraryA("cabinet.dll");
 859
 860     if (!hCabinet) return HRESULT_FROM_WIN32(GetLastError());
 861     pExtract = (void *)GetProcAddress(hCabinet, "Extract");
 862     if (!pExtract) return HRESULT_FROM_WIN32(GetLastError());
 863
 864     return pExtract(dest, szCabName);
 865 }
 866
 867 /***********************************************************************
 868  *           IsLoggingEnabledA (URLMON.@)
 869  */
 870 BOOL WINAPI IsLoggingEnabledA(LPCSTR url)
 871 {
 872     FIXME("(%s)\n", debugstr_a(url));
 873     return FALSE;
 874 }
 875
 876 /***********************************************************************
 877  *           IsLoggingEnabledW (URLMON.@)
 878  */
 879 BOOL WINAPI IsLoggingEnabledW(LPCWSTR url)
 880 {
 881     FIXME("(%s)\n", debugstr_w(url));
 882     return FALSE;
 883 }